Thread: No more 6AL.....
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  #15  
Old 12-16-2009, 08:29 PM
Slowhawk Slowhawk is offline
choking the wrench
  
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Thats why you have a check valve on the brake booster line.On decel it will hit 18-20 inches of vacuum.Some of our cars have idled at 4 inches of vacuum,brakes work fine.
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